Tempa voja^go kaj geodezioj en ^generala relativeco / Time travel and geodesics in general relativity

Details Tempa voja^go kaj geodezioj en ^generala relativeco / Time travel and geodesics in general relativity Tempa voja^go kaj geodezioj en ^generala relativeco / Time travel and geodesics in general relativity

2011-04-12

arxiv.org/abs/1104.2273v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16 pages, 6 figures, two columns Esperanto/English

Scientific paper

In the homogeneous metric of Som-Raychaudhuri, in general relativity, we study the three types of geodesics: timelike, null, and spacelike; in particular, the little known geodesics of simultaneities. We also study the non-geodetic circular motion with constant velocity, particularly closed timelike curves, and time travel of a voyager. ------------------- ^Ce la ^Generala Relativeco, en homogena metriko de Som-Raychaudhuri, ni studas geodeziojn de la tri tipoj: tempa, nula, kaj spaca, speciale la malmulte konatajn samtempajn geodeziojn. Ni anka^u studas ne-geodezian cirklan movadon kun konstanta rapido, speciale fermitajn kurbojn de tempa tipo, kaj movadon de voja^ganto al estinto.

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